Causes of antibiotic resistance In 'Transcripts' Transcripts Antibiotic resistance happens when bacteria change and become resistant to the antibiotics used to treat the infections they cause. Over-prescribing of antibiotics Patients not finishing their treatment Over-use of antibiotics in livestock and fish farming Poor infection control in hospitals and clinics Lack of hygiene and poor sanitation Lack of new antibiotics being developed www.who.int/drugresistance#AntibioticResistance Return to Birmingham Heroes - Antibiotic Resistance